add test case

Author: twotwo

dynaconf-sample/README.md

@@ -33,5 +33,5 @@ $ pip install --upgrade pip && \
 ```bash
 # unit test
 $ export PYTHONPATH=.
-$ pytest tests/test_config.py -s
+$ pytest
 ```

dynaconf-sample/tests/test_envvar_prefix.py

@@ -0,0 +1,47 @@
+"""https://github.com/dynaconf/dynaconf/blob/master/tests/test_envvar_prefix.py
+"""
+from __future__ import annotations
+
+import os
+
+import pytest
+
+from dynaconf import LazySettings
+
+TOML = """
+[global]
+var = "my value"
+[false]
+thisvar = "should not be set"
+"""
+
+
+def test_envvar_prefix_lazysettings(tmpdir):
+    os.environ["DYNACONF_PREFIXED_VAR"] = "this is prefixed"
+    tmpfile = tmpdir.mkdir("sub").join("test_no_envvar_prefix.toml")
+    tmpfile.write(TOML)
+
+    settings = LazySettings(
+        environments=True,
+        envvar_prefix=False,
+        settings_file=str(tmpfile),
+    )
+
+    assert settings.VAR == "my value"
+    assert settings.DYNACONF_PREFIXED_VAR == "this is prefixed"
+
+
+def test_envvar_prefix_false_from_envvar(tmpdir):
+    os.environ["DYNACONF_PREFIXED_VAR"] = "this is prefixed"
+    os.environ["ENVVAR_PREFIX_FOR_DYNACONF"] = "false"
+    tmpfile = tmpdir.mkdir("sub").join("test_no_envvar_prefix.toml")
+    tmpfile.write(TOML)
+
+    settings = LazySettings(environments=True, settings_file=str(tmpfile))
+
+    assert settings.VAR == "my value"
+    assert settings.DYNACONF_PREFIXED_VAR == "this is prefixed"
+
+    with pytest.raises(AttributeError):
+        assert settings.THISVAR == "should not be set"
+    del os.environ["ENVVAR_PREFIX_FOR_DYNACONF"]

dynaconf-sample/tests/test_yaml_loader.py

@@ -0,0 +1,104 @@
+"""https://github.com/dynaconf/dynaconf/blob/master/tests/test_yaml_loader.py
+"""
+from __future__ import annotations
+
+import os
+
+import pytest
+
+from dynaconf import LazySettings
+from dynaconf.loaders.yaml_loader import load
+
+
+settings = LazySettings(
+    environments=True,
+    ENV_FOR_DYNACONF="PRODUCTION",
+    ROOT_PATH_FOR_DYNACONF=os.path.dirname(os.path.abspath(__file__)),
+)
+
+
+YAML = """
+# the bellow is just to ensure `,` will not break string YAML
+default:
+  password: 99999
+  host: server.com
+  port: 8080
+  alist:
+    - item1
+    - item2
+    - 23
+  service:
+    url: service.com
+    port: 80
+    auth:
+      password: qwerty
+      test: 1234
+development:
+  password: 88888
+  host: devserver.com
+production:
+  password: 11111
+  host: prodserver.com
+global:
+  global_value: global
+"""
+
+YAML2 = """
+global:
+  # @float casting not needed, used only for testing
+  secret: '@float 42'
+  password: 123456
+  host: otheryaml.com
+"""
+
+YAMLS = [YAML, YAML2]
+
+
+def test_load_from_yaml():
+    """Assert loads from YAML string"""
+    load(settings, filename=YAML)
+    assert settings.HOST == "prodserver.com"
+    assert settings.PORT == 8080
+    assert settings.ALIST == ["item1", "item2", 23]
+    assert settings.SERVICE["url"] == "service.com"
+    assert settings.SERVICE.url == "service.com"
+    assert settings.SERVICE.port == 80
+    assert settings.SERVICE.auth.password == "qwerty"
+    assert settings.SERVICE.auth.test == 1234
+    load(settings, filename=YAML, env="DEVELOPMENT")
+    assert settings.HOST == "devserver.com"
+    load(settings, filename=YAML)
+    assert settings.HOST == "prodserver.com"
+
+def test_load_from_multiple_yaml():
+    """Assert loads from YAML string"""
+    load(settings, filename=YAMLS)
+    assert settings.HOST == "otheryaml.com"
+    assert settings.PASSWORD == 123456
+    assert settings.SECRET == 42.0
+    assert settings.PORT == 8080
+    assert settings.SERVICE["url"] == "service.com"
+    assert settings.SERVICE.url == "service.com"
+    assert settings.SERVICE.port == 80
+    assert settings.SERVICE.auth.password == "qwerty"
+    assert settings.SERVICE.auth.test == 1234
+    load(settings, filename=YAMLS, env="DEVELOPMENT")
+    assert settings.PORT == 8080
+    assert settings.HOST == "otheryaml.com"
+    load(settings, filename=YAMLS)
+    assert settings.HOST == "otheryaml.com"
+    assert settings.PASSWORD == 123456
+    load(settings, filename=YAML, env="DEVELOPMENT")
+    assert settings.PORT == 8080
+    assert settings.HOST == "devserver.com"
+    load(settings, filename=YAML)
+    assert settings.HOST == "prodserver.com"
+    assert settings.PASSWORD == 11111
+
+def test_yaml_key_overriding(tmpdir):
+    # export DYNACONF_ALIST='@json ["item1", "item2", "item3", 123]'
+    os.environ["DYNACONF_ALIST"] = '@json ["item1", "item2", "item3", 123]'
+    tmpfile = tmpdir.mkdir("sub").join("test_yaml_key_overriding.yaml")
+    tmpfile.write(YAML)
+    config = LazySettings(environments=True, settings_file=str(tmpfile))
+    assert config.ALIST == ["item1", "item2", "item3", 123]